OwlCyberSecurity - MANAGER

Edit File: emu10k1.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, * Creative Labs, Inc. * Definitions for EMU10K1 (SB Live!) chips */ #ifndef __SOUND_EMU10K1_H #define __SOUND_EMU10K1_H #ifdef __linux__ #include <linux/types.h> #endif /* * ---- FX8010 ---- */ #define EMU10K1_FX8010_PCM_COUNT 8 /* * Following definition is copied from linux/types.h to support compiling * this header file in userspace since they are not generally available for * uapi headers. */ #define __EMU10K1_DECLARE_BITMAP(name,bits) \ unsigned long name[(bits) / (sizeof(unsigned long) * 8)] /* instruction set */ #define iMAC0 0x00 /* R = A + (X * Y >> 31) ; saturation */ #define iMAC1 0x01 /* R = A + (-X * Y >> 31) ; saturation */ #define iMAC2 0x02 /* R = A + (X * Y >> 31) ; wraparound */ #define iMAC3 0x03 /* R = A + (-X * Y >> 31) ; wraparound */ #define iMACINT0 0x04 /* R = A + X * Y ; saturation */ #define iMACINT1 0x05 /* R = A + X * Y ; wraparound (31-bit) */ #define iACC3 0x06 /* R = A + X + Y ; saturation */ #define iMACMV 0x07 /* R = A, acc += X * Y >> 31 */ #define iANDXOR 0x08 /* R = (A & X) ^ Y */ #define iTSTNEG 0x09 /* R = (A >= Y) ? X : ~X */ #define iLIMITGE 0x0a /* R = (A >= Y) ? X : Y */ #define iLIMITLT 0x0b /* R = (A < Y) ? X : Y */ #define iLOG 0x0c /* R = linear_data, A (log_data), X (max_exp), Y (format_word) */ #define iEXP 0x0d /* R = log_data, A (linear_data), X (max_exp), Y (format_word) */ #define iINTERP 0x0e /* R = A + (X * (Y - A) >> 31) ; saturation */ #define iSKIP 0x0f /* R = A (cc_reg), X (count), Y (cc_test) */ #define LOWORD_OPX_MASK 0x000ffc00 /* Instruction operand X */ #define LOWORD_OPY_MASK 0x000003ff /* Instruction operand Y */ #define HIWORD_OPCODE_MASK 0x00f00000 /* Instruction opcode */ #define HIWORD_RESULT_MASK 0x000ffc00 /* Instruction result */ #define HIWORD_OPA_MASK 0x000003ff /* Instruction operand A */ /* Audigy Soundcards have a different instruction format */ #define A_LOWORD_OPX_MASK 0x007ff000 #define A_LOWORD_OPY_MASK 0x000007ff #define A_HIWORD_OPCODE_MASK 0x0f000000 #define A_HIWORD_RESULT_MASK 0x007ff000 #define A_HIWORD_OPA_MASK 0x000007ff /* GPRs */ #define FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x0f */ #define EXTIN(x) (0x10 + (x)) /* x = 0x00 - 0x0f */ #define EXTOUT(x) (0x20 + (x)) /* x = 0x00 - 0x0f physical outs -> FXWC low 16 bits */ #define FXBUS2(x) (0x30 + (x)) /* x = 0x00 - 0x0f copies of fx buses for capture -> FXWC high 16 bits */ /* NB: 0x31 and 0x32 are shared with Center/LFE on SB live 5.1 */ #define A_FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x3f FX buses */ #define A_EXTIN(x) (0x40 + (x)) /* x = 0x00 - 0x0f physical ins */ #define A_P16VIN(x) (0x50 + (x)) /* x = 0x00 - 0x0f p16v ins (A2 only) "EMU32 inputs" */ #define A_EXTOUT(x) (0x60 + (x)) /* x = 0x00 - 0x1f physical outs -> A_FXWC1 0x79-7f unknown */ #define A_FXBUS2(x) (0x80 + (x)) /* x = 0x00 - 0x1f extra outs used for EFX capture -> A_FXWC2 */ #define A_EMU32OUTH(x) (0xa0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_10 - _1F" */ #define A_EMU32OUTL(x) (0xb0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_01 - _0F" */ #define A3_EMU32IN(x) (0x160 + (x)) /* x = 0x00 - 0x1f "EMU32_IN_00 - _1F" - Only when .device = 0x0008 */ #define A3_EMU32OUT(x) (0x1E0 + (x)) /* x = 0x00 - 0x1f "EMU32_OUT_00 - _1F" - Only when .device = 0x0008 */ #define C_00000000 0x40 #define C_00000001 0x41 #define C_00000002 0x42 #define C_00000003 0x43 #define C_00000004 0x44 #define C_00000008 0x45 #define C_00000010 0x46 #define C_00000020 0x47 #define C_00000100 0x48 #define C_00010000 0x49 #define C_00080000 0x4a #define C_10000000 0x4b #define C_20000000 0x4c #define C_40000000 0x4d #define C_80000000 0x4e #define C_7fffffff 0x4f #define C_ffffffff 0x50 #define C_fffffffe 0x51 #define C_c0000000 0x52 #define C_4f1bbcdc 0x53 #define C_5a7ef9db 0x54 #define C_00100000 0x55 /* ?? */ #define GPR_ACCU 0x56 /* ACCUM, accumulator */ #define GPR_COND 0x57 /* CCR, condition register */ #define GPR_NOISE0 0x58 /* noise source */ #define GPR_NOISE1 0x59 /* noise source */ #define GPR_IRQ 0x5a /* IRQ register */ #define GPR_DBAC 0x5b /* TRAM Delay Base Address Counter */ /* Audigy constants */ #define A_C_00000000 0xc0 #define A_C_00000001 0xc1 #define A_C_00000002 0xc2 #define A_C_00000003 0xc3 #define A_C_00000004 0xc4 #define A_C_00000008 0xc5 #define A_C_00000010 0xc6 #define A_C_00000020 0xc7 #define A_C_00000100 0xc8 #define A_C_00010000 0xc9 #define A_C_00000800 0xca #define A_C_10000000 0xcb #define A_C_20000000 0xcc #define A_C_40000000 0xcd #define A_C_80000000 0xce #define A_C_7fffffff 0xcf #define A_C_ffffffff 0xd0 #define A_C_fffffffe 0xd1 #define A_C_c0000000 0xd2 #define A_C_4f1bbcdc 0xd3 #define A_C_5a7ef9db 0xd4 #define A_C_00100000 0xd5 #define A_GPR_ACCU 0xd6 /* ACCUM, accumulator */ #define A_GPR_COND 0xd7 /* CCR, condition register */ #define A_GPR_NOISE0 0xd8 /* noise source */ #define A_GPR_NOISE1 0xd9 /* noise source */ #define A_GPR_IRQ 0xda /* IRQ register */ #define A_GPR_DBAC 0xdb /* TRAM Delay Base Address Counter - internal */ #define A_GPR_DBACE 0xde /* TRAM Delay Base Address Counter - external */ /* Each FX general purpose register is 32 bits in length, all bits are used */ #define FXGPREGBASE 0x100 /* FX general purpose registers base */ #define A_FXGPREGBASE 0x400 /* Audigy GPRs, 0x400 to 0x5ff */ #define A_TANKMEMCTLREGBASE 0x100 /* Tank memory control registers base - only for Audigy */ #define A_TANKMEMCTLREG_MASK 0x1f /* only 5 bits used - only for Audigy */ /* Tank audio data is logarithmically compressed down to 16 bits before writing to TRAM and is */ /* decompressed back to 20 bits on a read. There are a total of 160 locations, the last 32 */ /* locations are for external TRAM. */ #define TANKMEMDATAREGBASE 0x200 /* Tank memory data registers base */ #define TANKMEMDATAREG_MASK 0x000fffff /* 20 bit tank audio data field */ /* Combined address field and memory opcode or flag field. 160 locations, last 32 are external */ #define TANKMEMADDRREGBASE 0x300 /* Tank memory address registers base */ #define TANKMEMADDRREG_ADDR_MASK 0x000fffff /* 20 bit tank address field */ #define TANKMEMADDRREG_CLEAR 0x00800000 /* Clear tank memory */ #define TANKMEMADDRREG_ALIGN 0x00400000 /* Align read or write relative to tank access */ #define TANKMEMADDRREG_WRITE 0x00200000 /* Write to tank memory */ #define TANKMEMADDRREG_READ 0x00100000 /* Read from tank memory */ #define GPR(x) (FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */ #define ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */ #define ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */ #define ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */ #define ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */ #define A_GPR(x) (A_FXGPREGBASE + (x)) #define A_ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */ #define A_ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */ #define A_ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */ #define A_ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */ #define A_ITRAM_CTL(x) (A_TANKMEMCTLREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */ #define A_ETRAM_CTL(x) (A_TANKMEMCTLREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */ /* cc_reg constants */ #define CC_REG_NORMALIZED C_00000001 #define CC_REG_BORROW C_00000002 #define CC_REG_MINUS C_00000004 #define CC_REG_ZERO C_00000008 #define CC_REG_SATURATE C_00000010 #define CC_REG_NONZERO C_00000100 #define A_CC_REG_NORMALIZED A_C_00000001 #define A_CC_REG_BORROW A_C_00000002 #define A_CC_REG_MINUS A_C_00000004 #define A_CC_REG_ZERO A_C_00000008 #define A_CC_REG_SATURATE A_C_00000010 #define A_CC_REG_NONZERO A_C_00000100 /* FX buses */ // These are arbitrary mappings; our DSP code simply expects // the config files to route the channels this way. // The numbers are documented in {audigy,sb-live}-mixer.rst. #define FXBUS_PCM_LEFT 0x00 #define FXBUS_PCM_RIGHT 0x01 #define FXBUS_PCM_LEFT_REAR 0x02 #define FXBUS_PCM_RIGHT_REAR 0x03 #define FXBUS_MIDI_LEFT 0x04 #define FXBUS_MIDI_RIGHT 0x05 #define FXBUS_PCM_CENTER 0x06 #define FXBUS_PCM_LFE 0x07 #define FXBUS_PCM_LEFT_FRONT 0x08 #define FXBUS_PCM_RIGHT_FRONT 0x09 #define FXBUS_MIDI_REVERB 0x0c #define FXBUS_MIDI_CHORUS 0x0d #define FXBUS_PCM_LEFT_SIDE 0x0e #define FXBUS_PCM_RIGHT_SIDE 0x0f #define FXBUS_PT_LEFT 0x14 #define FXBUS_PT_RIGHT 0x15 /* Inputs */ #define EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */ #define EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */ #define EXTIN_SPDIF_CD_L 0x02 /* internal S/PDIF CD - onboard - left */ #define EXTIN_SPDIF_CD_R 0x03 /* internal S/PDIF CD - onboard - right */ #define EXTIN_ZOOM_L 0x04 /* Zoom Video I2S - left */ #define EXTIN_ZOOM_R 0x05 /* Zoom Video I2S - right */ #define EXTIN_TOSLINK_L 0x06 /* LiveDrive - TOSLink Optical - left */ #define EXTIN_TOSLINK_R 0x07 /* LiveDrive - TOSLink Optical - right */ #define EXTIN_LINE1_L 0x08 /* LiveDrive - Line/Mic 1 - left */ #define EXTIN_LINE1_R 0x09 /* LiveDrive - Line/Mic 1 - right */ #define EXTIN_COAX_SPDIF_L 0x0a /* LiveDrive - Coaxial S/PDIF - left */ #define EXTIN_COAX_SPDIF_R 0x0b /* LiveDrive - Coaxial S/PDIF - right */ #define EXTIN_LINE2_L 0x0c /* LiveDrive - Line/Mic 2 - left */ #define EXTIN_LINE2_R 0x0d /* LiveDrive - Line/Mic 2 - right */ /* Outputs */ #define EXTOUT_AC97_L 0x00 /* AC'97 playback channel - left */ #define EXTOUT_AC97_R 0x01 /* AC'97 playback channel - right */ #define EXTOUT_TOSLINK_L 0x02 /* LiveDrive - TOSLink Optical - left */ #define EXTOUT_TOSLINK_R 0x03 /* LiveDrive - TOSLink Optical - right */ #define EXTOUT_AC97_CENTER 0x04 /* SB Live 5.1 - center */ #define EXTOUT_AC97_LFE 0x05 /* SB Live 5.1 - LFE */ #define EXTOUT_HEADPHONE_L 0x06 /* LiveDrive - Headphone - left */ #define EXTOUT_HEADPHONE_R 0x07 /* LiveDrive - Headphone - right */ #define EXTOUT_REAR_L 0x08 /* Rear channel - left */ #define EXTOUT_REAR_R 0x09 /* Rear channel - right */ #define EXTOUT_ADC_CAP_L 0x0a /* ADC Capture buffer - left */ #define EXTOUT_ADC_CAP_R 0x0b /* ADC Capture buffer - right */ #define EXTOUT_MIC_CAP 0x0c /* MIC Capture buffer */ #define EXTOUT_AC97_REAR_L 0x0d /* SB Live 5.1 (c) 2003 - Rear Left */ #define EXTOUT_AC97_REAR_R 0x0e /* SB Live 5.1 (c) 2003 - Rear Right */ #define EXTOUT_ACENTER 0x11 /* Analog Center */ #define EXTOUT_ALFE 0x12 /* Analog LFE */ /* Audigy Inputs */ #define A_EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */ #define A_EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */ #define A_EXTIN_SPDIF_CD_L 0x02 /* digital CD left */ #define A_EXTIN_SPDIF_CD_R 0x03 /* digital CD left */ #define A_EXTIN_OPT_SPDIF_L 0x04 /* audigy drive Optical SPDIF - left */ #define A_EXTIN_OPT_SPDIF_R 0x05 /* right */ #define A_EXTIN_LINE2_L 0x08 /* audigy drive line2/mic2 - left */ #define A_EXTIN_LINE2_R 0x09 /* right */ #define A_EXTIN_ADC_L 0x0a /* Philips ADC - left */ #define A_EXTIN_ADC_R 0x0b /* right */ #define A_EXTIN_AUX2_L 0x0c /* audigy drive aux2 - left */ #define A_EXTIN_AUX2_R 0x0d /* - right */ /* Audigiy Outputs */ #define A_EXTOUT_FRONT_L 0x00 /* digital front left */ #define A_EXTOUT_FRONT_R 0x01 /* right */ #define A_EXTOUT_CENTER 0x02 /* digital front center */ #define A_EXTOUT_LFE 0x03 /* digital front lfe */ #define A_EXTOUT_HEADPHONE_L 0x04 /* headphone audigy drive left */ #define A_EXTOUT_HEADPHONE_R 0x05 /* right */ #define A_EXTOUT_REAR_L 0x06 /* digital rear left */ #define A_EXTOUT_REAR_R 0x07 /* right */ #define A_EXTOUT_AFRONT_L 0x08 /* analog front left */ #define A_EXTOUT_AFRONT_R 0x09 /* right */ #define A_EXTOUT_ACENTER 0x0a /* analog center */ #define A_EXTOUT_ALFE 0x0b /* analog LFE */ #define A_EXTOUT_ASIDE_L 0x0c /* analog side left - Audigy 2 ZS */ #define A_EXTOUT_ASIDE_R 0x0d /* right - Audigy 2 ZS */ #define A_EXTOUT_AREAR_L 0x0e /* analog rear left */ #define A_EXTOUT_AREAR_R 0x0f /* right */ #define A_EXTOUT_AC97_L 0x10 /* AC97 left (front) */ #define A_EXTOUT_AC97_R 0x11 /* right */ #define A_EXTOUT_ADC_CAP_L 0x16 /* ADC capture buffer left */ #define A_EXTOUT_ADC_CAP_R 0x17 /* right */ #define A_EXTOUT_MIC_CAP 0x18 /* Mic capture buffer */ /* Definitions for debug register. Note that these are for emu10k1 ONLY. */ #define EMU10K1_DBG_ZC 0x80000000 /* zero tram counter */ #define EMU10K1_DBG_SATURATION_OCCURED 0x02000000 /* saturation control */ #define EMU10K1_DBG_SATURATION_ADDR 0x01ff0000 /* saturation address */ #define EMU10K1_DBG_SINGLE_STEP 0x00008000 /* single step mode */ #define EMU10K1_DBG_STEP 0x00004000 /* start single step */ #define EMU10K1_DBG_CONDITION_CODE 0x00003e00 /* condition code */ #define EMU10K1_DBG_SINGLE_STEP_ADDR 0x000001ff /* single step address */ /* Definitions for emu10k2 debug register. */ #define A_DBG_ZC 0x40000000 /* zero tram counter */ #define A_DBG_SATURATION_OCCURED 0x20000000 #define A_DBG_SATURATION_ADDR 0x0ffc0000 #define A_DBG_SINGLE_STEP 0x00020000 /* Set to zero to start dsp */ #define A_DBG_STEP 0x00010000 #define A_DBG_CONDITION_CODE 0x0000f800 #define A_DBG_STEP_ADDR 0x000003ff struct snd_emu10k1_fx8010_info { unsigned int internal_tram_size; /* in samples */ unsigned int external_tram_size; /* in samples */ char fxbus_names[16][32]; /* names of FXBUSes */ char extin_names[16][32]; /* names of external inputs */ char extout_names[32][32]; /* names of external outputs */ unsigned int gpr_controls; /* count of GPR controls */ }; #define EMU10K1_GPR_TRANSLATION_NONE 0 #define EMU10K1_GPR_TRANSLATION_TABLE100 1 #define EMU10K1_GPR_TRANSLATION_BASS 2 #define EMU10K1_GPR_TRANSLATION_TREBLE 3 #define EMU10K1_GPR_TRANSLATION_ONOFF 4 enum emu10k1_ctl_elem_iface { EMU10K1_CTL_ELEM_IFACE_MIXER = 2, /* virtual mixer device */ EMU10K1_CTL_ELEM_IFACE_PCM = 3, /* PCM device */ }; struct emu10k1_ctl_elem_id { unsigned int pad; /* don't use */ int iface; /* interface identifier */ unsigned int device; /* device/client number */ unsigned int subdevice; /* subdevice (substream) number */ unsigned char name[44]; /* ASCII name of item */ unsigned int index; /* index of item */ }; struct snd_emu10k1_fx8010_control_gpr { struct emu10k1_ctl_elem_id id; /* full control ID definition */ unsigned int vcount; /* visible count */ unsigned int count; /* count of GPR (1..16) */ unsigned short gpr[32]; /* GPR number(s) */ unsigned int value[32]; /* initial values */ unsigned int min; /* minimum range */ unsigned int max; /* maximum range */ unsigned int translation; /* translation type (EMU10K1_GPR_TRANSLATION*) */ const unsigned int *tlv; }; /* old ABI without TLV support */ struct snd_emu10k1_fx8010_control_old_gpr { struct emu10k1_ctl_elem_id id; unsigned int vcount; unsigned int count; unsigned short gpr[32]; unsigned int value[32]; unsigned int min; unsigned int max; unsigned int translation; }; struct snd_emu10k1_fx8010_code { char name[128]; __EMU10K1_DECLARE_BITMAP(gpr_valid, 0x200); /* bitmask of valid initializers */ __u32 *gpr_map; /* initializers */ unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */ struct snd_emu10k1_fx8010_control_gpr *gpr_add_controls; /* GPR controls to add/replace */ unsigned int gpr_del_control_count; /* count of GPR controls to remove */ struct emu10k1_ctl_elem_id *gpr_del_controls; /* IDs of GPR controls to remove */ unsigned int gpr_list_control_count; /* count of GPR controls to list */ unsigned int gpr_list_control_total; /* total count of GPR controls */ struct snd_emu10k1_fx8010_control_gpr *gpr_list_controls; /* listed GPR controls */ __EMU10K1_DECLARE_BITMAP(tram_valid, 0x100); /* bitmask of valid initializers */ __u32 *tram_data_map; /* data initializers */ __u32 *tram_addr_map; /* map initializers */ __EMU10K1_DECLARE_BITMAP(code_valid, 1024); /* bitmask of valid instructions */ __u32 *code; /* one instruction - 64 bits */ }; struct snd_emu10k1_fx8010_tram { unsigned int address; /* 31.bit == 1 -> external TRAM */ unsigned int size; /* size in samples (4 bytes) */ unsigned int *samples; /* pointer to samples (20-bit) */ /* NULL->clear memory */ }; struct snd_emu10k1_fx8010_pcm_rec { unsigned int substream; /* substream number */ unsigned int res1; /* reserved */ unsigned int channels; /* 16-bit channels count, zero = remove this substream */ unsigned int tram_start; /* ring buffer position in TRAM (in samples) */ unsigned int buffer_size; /* count of buffered samples */ unsigned short gpr_size; /* GPR containing size of ringbuffer in samples (host) */ unsigned short gpr_ptr; /* GPR containing current pointer in the ring buffer (host = reset, FX8010) */ unsigned short gpr_count; /* GPR containing count of samples between two interrupts (host) */ unsigned short gpr_tmpcount; /* GPR containing current count of samples to interrupt (host = set, FX8010) */ unsigned short gpr_trigger; /* GPR containing trigger (activate) information (host) */ unsigned short gpr_running; /* GPR containing info if PCM is running (FX8010) */ unsigned char pad; /* reserved */ unsigned char etram[32]; /* external TRAM address & data (one per channel) */ unsigned int res2; /* reserved */ }; #define SNDRV_EMU10K1_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) #define SNDRV_EMU10K1_IOCTL_INFO _IOR ('H', 0x10, struct snd_emu10k1_fx8010_info) #define SNDRV_EMU10K1_IOCTL_CODE_POKE _IOW ('H', 0x11, struct snd_emu10k1_fx8010_code) #define SNDRV_EMU10K1_IOCTL_CODE_PEEK _IOWR('H', 0x12, struct snd_emu10k1_fx8010_code) #define SNDRV_EMU10K1_IOCTL_TRAM_SETUP _IOW ('H', 0x20, int) #define SNDRV_EMU10K1_IOCTL_TRAM_POKE _IOW ('H', 0x21, struct snd_emu10k1_fx8010_tram) #define SNDRV_EMU10K1_IOCTL_TRAM_PEEK _IOWR('H', 0x22, struct snd_emu10k1_fx8010_tram) #define SNDRV_EMU10K1_IOCTL_PCM_POKE _IOW ('H', 0x30, struct snd_emu10k1_fx8010_pcm_rec) #define SNDRV_EMU10K1_IOCTL_PCM_PEEK _IOWR('H', 0x31, struct snd_emu10k1_fx8010_pcm_rec) #define SNDRV_EMU10K1_IOCTL_PVERSION _IOR ('H', 0x40, int) #define SNDRV_EMU10K1_IOCTL_STOP _IO ('H', 0x80) #define SNDRV_EMU10K1_IOCTL_CONTINUE _IO ('H', 0x81) #define SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER _IO ('H', 0x82) #define SNDRV_EMU10K1_IOCTL_SINGLE_STEP _IOW ('H', 0x83, int) #define SNDRV_EMU10K1_IOCTL_DBG_READ _IOR ('H', 0x84, int) #endif /* __SOUND_EMU10K1_H */